Answer:
set y=0 in one of the equations and then in the other one set x=0
Step-by-step explanation:
below is how you do it
y=5x-5 y=3x+3
0=5x-5 y=3(0) +3
5=5x y=3
1=x
4.8 students take bus
not sure if right though
but hope it helps c:
Step-by-step explanation:

Answer:
40000
Step-by-step explanation:
4×10^4 = 4×10000 = 40000
If (55 + x)/2 is to be 67, then 55+x = 2*67, so x = 2*67 - 55 = 79